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pepto
Account closed
Registered: Nov 2004
Posts: 35 |
colodore is the new pepto
Hey guys, I remeasured the video-signals of my VIC-II's and slightly updated my 15 year old attempt at calculating an rgb-clone. While at it, I also measured VIC & TED and made a little website about it, that allows you to adjust brightness, contrast and saturation as you like and then save your own custom palette to a png-file.
http://www.colodore.com
I took extra care to make sure, that the brightness, contrast and saturation sliders behave the same way as my 1084s.
While closely comparing my LCD to the 1084s, I found that making the transparency of scanlines dependent on YUV's Y (so they are less visible for brighter colors) looked a lot more like the real thing. I also noticed that the phase-shift on odd-lines happens for YUV's V only and there's even a name for it in video-lingua: hanover bars.
After implementing this, I'm happy to say that the images on my LCD and 1084s are remarkably close.
I will write a more detailed article about it in January, but seriously need a christmas-break first...
Cheers,
pepto |
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hedning
Registered: Mar 2009
Posts: 4594 |
Really great! Exactly how the C64 emulation and all screenshots on csdb should be. |
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JackAsser
Registered: Jun 2002
Posts: 1989 |
Quote: Excellent :) In addition to Moloch, I'd love to see old vic2 lumas too.
There is a checkbox in options if you choose VIC-II. |
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v3to
Registered: Feb 2005
Posts: 150 |
@Jackasser: Found :) Thanks |
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Carrion
Registered: Feb 2009
Posts: 317 |
wow
and I'm honoured that my TED pics are used for this.
hopefully it can be implemented in C+4 emulators too.
great job. |
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ptoing
Registered: Sep 2005
Posts: 271 |
Awesome. I would love if you could also input the numbers, not just drag them, as that can be a bit fiddly on slower systems. |
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Bitbreaker
Registered: Oct 2002
Posts: 500 |
Can i ask for an upload function for own .prgs to check the boob compatibility? :-D Also: Why no NUFLI? |
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Carrion
Registered: Feb 2009
Posts: 317 |
Quote: Can i ask for an upload function for own .prgs to check the boob compatibility? :-D Also: Why no NUFLI?
well. DK's Deus Ex Machine is probably NUFLI because of no Flixor.
If not then pls change the screenshot to proper one ;) |
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pepto
Account closed
Registered: Nov 2004
Posts: 35 |
Quote: Can i ask for an upload function for own .prgs to check the boob compatibility? :-D Also: Why no NUFLI?
...boob compatibility sure sounds like a crowdpleaser, noted... ;o)
I picked some of my fav "recent" pics from artists whose work I admire... didn't really look at the formats they were done in... |
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Mirage
Registered: Jan 2003
Posts: 113 |
Nice to see more progress in this area. Thank you! |
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saimo
Registered: Aug 2009
Posts: 36 |
This is so utterly cool. Many thanks for the great effort, pepto!
Be aware that you just made me spend a whole night remapping *all* the graphics I ever produced (admittedly not much, but some were a real pain) - after, of course, updating the VICE, Personal Paint, and Gimp palettes, and my own custom conversion tools. (I shiver at the thought of when v2 will be out.) |
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